POLA1 and diffuse large B-cell lymphoma: Table S4 summarizes recent studies on R/R DLBCL treatment in several countries, including Pola‐based regimens (Pola‐R2 [11] and Pola‐BR [13]), CAR‐T cell therapy [22] (Zuma‐7 study), and Pola combined with traditional chemotherapies [23].